This is the gargantuan Bingham Canyon Mine – an open-pit copper, gold, silver and molybdenum mine near Salt Lake City, Utah. In full-scale production since 1906, the pit is over 0.75 miles (1.2 km) deep, 2.5 miles (4 km) wide, and covers 1,900 acres (7.7 km²), making it the largest open-pit copper mine in the world, and the world’s largest man-made excavation. All along the road to the sensibly named mining town of Copperton, we can see the absolutely massive 3 million dollar dump trucks – which are among the largest trucks in the world. Used to transport…